Route high-pressure fluid from the pump to the steering gear with the Sunsong Power Steering Pressure Line Hose Assembly (MPN 3401739). It drops in as a direct-fit replacement for a wide range of classic Mopar applications, including the 1970-1972 Dodge Challenger, 1969-1972 Dodge Charger, 1969-1972 Dodge Coronet, 1970-1972 Dodge Dart, 1970-1972 Plymouth Barracuda, 1969-1972 Plymouth Road Runner, 1969-1972 Plymouth Satellite and 1970 Plymouth Superbird — see the Buyer's Guide tab for the full list of makes, models, years and engines.
Sunsong is a vertically integrated manufacturer focused on automotive fluid-transfer hoses and lines, engineered for exact form, fit and function.
- Pre-assembled with brackets: comes ready to install to help reduce labor time versus hoses sold as individual pieces.
- Exceeds OE performance standards: rated for a max working pressure of 1,500 psi, a burst pressure of 8,700 psi and a tensile strength of 1,600 lb for durability and long life.
- Precision engineered: built to exact fit and includes the additional components needed to restore wearable parts to original condition.
- Factory tested: every pressure hose passes a high-pressure quality-assurance test before leaving the factory.
Signs the original line may need replacing include power steering fluid leaks, low fluid, whining, or hard steering. Diagnose the cause before replacing.
Frequently Asked Questions
What does this power steering pressure line hose assembly do?
It carries high-pressure power steering fluid from the pump to the steering gear. This Sunsong assembly (MPN 3401739) is a direct-fit replacement for the listed applications.
What is the pressure rating of this hose?
The pressure hose is rated for a max working pressure of 1,500 psi, a burst pressure of 8,700 psi and a tensile strength of 1,600 lb, exceeding original equipment performance standards.
Does it come with brackets?
Yes. The pressure and return hoses are pre-assembled with brackets and include the additional components needed to restore wearable parts to original condition, helping reduce install time.
What are signs this pressure line may need replacing?
Common signs include power steering fluid leaks, low fluid, a whining pump or harder steering effort. Have the cause diagnosed first, since these symptoms can have other sources.
Which vehicles does MPN 3401739 fit?
It fits many 1969-1972 Dodge and Plymouth models, including the Challenger, Charger, Coronet, Dart, Barracuda, Road Runner and Satellite. See the Buyer's Guide tab for the full list.
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